French phrase
Y a-t-il des frais pour modifier ~ ?
Meaning
Is there a fee for changing ___?
When to use it
Asks whether a fee applies when something is changed. It is a polite way to ask about charges for changing a reservation.
Example dialogue
Y a-t-il des frais pour modifier ma réservation ?
Is there a fee for changing my reservation?
Oui, il y a des frais de 30 €.
Yes, the fee is 30 euros.